Foot support block for runner&#39;s starting block assembly



FIG. 1 is a top plan view of a foot support block for a runner's starting block assembly, showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a side elevational view with the foot support plate in elevated position;

FIG. 4 is an elevational view of the opposite side with the foot support plate in reclined position;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a front elevational view thereof. 

The ornamental design for a foot support block for a runner's starting block assembly, substantially as shown and described. 